umnIs25 [myo-2p::GFP + NeoR, X: 15420938 (intergenic)]. Pick wild-type GFP+ to maintain. Segregates lethals: homozygous Dp/Dp are lethal. Derived by insertion of myo-2p::GFP transgene into mnDp1 duplication in parental strain SP219 using CRISPR/Cas9.